RD239-137

View detailed technical data, stock status, and sourcing information for: RD239-137
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-420-2427

Item Name Code

03263

Assigment Date

10/12/1995 (30 years ago)

A grouping of two or more physically connected or related electrical an/or electronic parts capable of dissassemblage. Each component of the assemblage must be capable of functioning in accordance with its own item name. Consists of a single printed circuit board or terminal board upon which are mounted separately manufactured electronic components such as capacitors, inductors, resistors, and the like. It may also include printed electronic components. The item is generally part of a subassembly and cannot be assigned a more definite item name. For items having a complete individual electrical/electronic function, use applicable item name such as amplifier (as modified); power supply; or the like. For items not having a complete individual electrical/electronic function, see applicable subassembly name, such as amplifier subassembly; power supply subassembly; or the like. For an assembly of electrical/electronic components mounted on other than a single printed wiring board, see electronic components assembly. Excludes:printed circuit board

0.128 inches minimum and 0.129 inches maximum inside diameter, 0.480 inches minimum and 0.500 inches maximum overall depth, grip aid gripping surface condition, 0.230 inches minimum and 0.270 inches maximum distance from hole center to knob/skirt base, 2 setscrew hole quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 0.128 inches minimum and 0.129 inches maximum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.230 inches minimum and 0.270 inches maximum
Overall Depth: 0.480 inches minimum and 0.500 inches maximum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: flatted one side
Outside Diameter: 0.600 inches minimum and 0.640 inches maximum
Reference Marking: line
Attachment Method: setscrews
Inside Width: 0.107 inches minimum and 0.109 inches maximum
Overall Thickness: 0.540 inches minimum and 0.580 inches maximum
End Item Identification: used on radar display
Material Transparency: clear
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Thread Tolerance Class: 3b internal screw hole
Material: plastic
Style Designator: round fluted
Thread Series Designator: unc screw hole

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
586R576H01	Knob
RD239-137	Knob

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5355-01-420-2427?

The FSCG of the NSN 5355-01-420-2427 is 5355

Does the NSN 5355-01-420-2427 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-420-2427 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5355-01-420-2427 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-420-2427 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5355-01-420-2427 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Oct 12, 1995